W3 cms is a weblog/Content Management System (CMS). It is far more secure and stable than competing products, and able to work in high-volume environments with ease
Create downloads , ebooks list and tutorials pages

phpMAS (Multisite Authorization System) is a cross-domain PHP user-management script. Using single DB(mysql) to manage users from other sites(or domains) like YAHOO or GOOGLE, it can be integrated into many public scripts (phpBB,myBB,wordpress...)

Visual Firewall Monitor is a linux kernel module that monitor new connections coming in/out linux box then notify user of them. When user receive connection's informations, they will use an user-space interface to control the module to accept or drop it.